Elementary Text-book of TrigonometryBlackie & Son, 1884 - 176 páginas |
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... Increase by unity the figure in the last decimal place to which the calculation is to be carried , if the next decimal figure would be 5 or greater than 5 . The sets of Examples marked A , B , C , & c . , and also the Miscellaneous ...
... Increase by unity the figure in the last decimal place to which the calculation is to be carried , if the next decimal figure would be 5 or greater than 5 . The sets of Examples marked A , B , C , & c . , and also the Miscellaneous ...
Página 3
... Increase by unity the figure in the last decimal place to which the calculation is to be carried , if the next decimal figure would be 5 or greater than 5 . The sets of Examples marked A , B , C , & c . , and also the Miscellaneous ...
... Increase by unity the figure in the last decimal place to which the calculation is to be carried , if the next decimal figure would be 5 or greater than 5 . The sets of Examples marked A , B , C , & c . , and also the Miscellaneous ...
Página 26
... increases . When OP coincides with OA , the angle AOP is zero or 0 ° , and M coincides with A ; therefore PM is also zero , or sin0 ° = 0 . As the angle increases , PM increases , and since 26 TRIGONOMETRY .
... increases . When OP coincides with OA , the angle AOP is zero or 0 ° , and M coincides with A ; therefore PM is also zero , or sin0 ° = 0 . As the angle increases , PM increases , and since 26 TRIGONOMETRY .
Página 27
Robert Hamilton Pinkerton. As the angle increases , PM increases , and since OP is constant ,, the ratio PM OP increases , or the sine of an angle increases as 1 the angle increases . Thus sin45 ° ( = √2 ) is greater than sin30 ...
Robert Hamilton Pinkerton. As the angle increases , PM increases , and since OP is constant ,, the ratio PM OP increases , or the sine of an angle increases as 1 the angle increases . Thus sin45 ° ( = √2 ) is greater than sin30 ...
Página 28
... increases , the tangent increases rapidly through the values ( = tan30 ° ) , 1 ( = tan45 ° ) , √3 ( = tan60 ° ) , and when the angle approaches a right angle the numerical value of the tangent becomes very great , the numerator being ...
... increases , the tangent increases rapidly through the values ( = tan30 ° ) , 1 ( = tan45 ° ) , √3 ( = tan60 ° ) , and when the angle approaches a right angle the numerical value of the tangent becomes very great , the numerator being ...
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Términos y frases comunes
angle AOB angle BAC angle increases angle less Article base centre circumference cloth boards common logarithm complement cos(A+B cos2A cos4A cosB cosC cose cosecA cosine cotA cotangent decimal places degree measure diameter distance equal equation Euclid EXAMPLES feet Find the angle Find the height find the number find the values flagstaff following angles formula given Hence hypotenuse inches log2 loga logarithms of numbers magnitude mantissa miles negative numbers number expressing number of degrees numerical value perpendicular positive Prove quadrant radian measure radii ratios of angles regular polygon respectively right angle right-angled triangle sec²A secA secant side BC Similarly sin(A sin(A+B sin2A sin2B sin3A sinB sine sine and cosine square root table of logarithms tan(A+B tan²A tanA tanB tangent tanß tower triangle ABC trigono trigonometrical ratios unit of angle yards
Pasajes populares
Página 90 - The logarithm of the product of two or more numbers is equal to the sum of the logarithms of the numbers. For, let m and n be two numbers, and x and y their logarithms. Then, by the definition of a logarithm, m — ax, and n = a".
Página 90 - ... the logarithm of a fraction is equal to the logarithm of the numerator minus the logarithm of the denominator.
Página 118 - In any triangle, the sides are proportional to the sines of the opposite angles. That is, sin A = sin B...
Página 149 - Find the length of the side of a square whose area is equal to that of a rectangle the sides of which are 94 '28 and 6720 yards.
Página 89 - The logarithm of a number is the index of the power to which the base of the system must be raised to equal a given number.
Página 158 - The sides of a triangle are in arithmetical progression, and its area is to that of an equilateral triangle of the same perimeter as 3 : 5.